While sitting in a chair with your hands on the front corners left yourself up and away from the front of the chair.
Slowly lower yourself towards the floor. When you have gone down as low as you can the push yourself up extending your arms.
Do this 15-20 times.
Four players standing still make every ball handler's job harder. Teach V-cuts, L-cuts and back cuts so your team gets open and punishes defenders who overplay.
Good team defence is five players guarding the ball, not five separate one-on-ones. The shell drill is where that starts, so here is how to teach help-side positioning and rotations from the first week of the season.
Rebounding is the least glamorous thing in basketball and one of the most decisive. It is also almost entirely a habit, which means it is entirely coachable.